Merge pull request #1642 from matthiasblaesing/android-fix-16k

Fix calls to jnidispatch on Android with 16KB page size

Author: matthiasblaesing

CHANGES.md

@@ -11,6 +11,7 @@ Features
 
 Bug Fixes
 ---------
+* [#1618](https://github.com/java-native-access/jna/issues/1618): Fix calls to jnidispatch on Android with 16KB page size - [@Thomyrock](https://github.com/Thomyrock)
 
 Release 5.15.0
 ==============

common.xml

@@ -22,7 +22,7 @@
     <!-- jnidispatch library release version -->
     <property name="jni.major" value="7"/>
     <property name="jni.minor" value="0"/>
-    <property name="jni.revision" value="2"/>
+    <property name="jni.revision" value="3"/>
     <property name="jni.build" value="0"/> <!--${build.number}-->
     <property name="jni.version" value="${jni.major}.${jni.minor}.${jni.revision}"/>
     <property name="jni.md5" value="5fb98531302accd485c534c452dd952a"/>

contrib/platform/test/com/sun/jna/platform/linux/UdevTest.java

@@ -29,6 +29,8 @@
 import com.sun.jna.platform.linux.Udev.UdevDevice;
 import com.sun.jna.platform.linux.Udev.UdevEnumerate;
 import com.sun.jna.platform.linux.Udev.UdevListEntry;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 import junit.framework.TestCase;
 
@@ -37,6 +39,8 @@
  */
 public class UdevTest extends TestCase {
 
+    private static final Pattern SCSI_DISK_PATTERN = Pattern.compile(".*/sd[a-z](\\d+)$");
+
     @Test
     public void testEnumerateDevices() {
         // Start with the context object
@@ -74,29 +78,40 @@ public void testEnumerateDevices() {
                                     // No additional reference is acquired from getParent
                                     if (parent != null && parent2 != null) {
                                         // Devnode should match same parent without restricting to block and disk
-                                        assertEquals("Partition parent should match with and without filter",
+                                        assertEquals(String.format(
+                                                "Partition parent should match with and without filter (%s)",
+                                                devnode
+                                                ),
                                                 parent.getDevnode(), parent2.getDevnode());
                                         // Save the size and major
                                         parentSize = parent.getSysattrValue("size");
                                         parentMajor = parent.getPropertyValue("MAJOR");
                                     }
                                 }
                                 String size = device.getSysattrValue("size");
-                                assertTrue("Size must be nonnegative", 0 <= Long.parseLong(size));
+                                assertTrue(String.format("Size must be nonnegative (%s)", devnode), 0 <= Long.parseLong(size));
                                 if (parentSize != null) {
-                                    assertTrue("Partition can't be bigger than its disk",
+                                    assertTrue(String.format("Partition can't be bigger than its disk (%s)", devnode),
                                             Long.parseLong(size) <= Long.parseLong(parentSize));
                                 }
                                 String major = device.getPropertyValue("MAJOR");
-                                assertTrue("Major value must be nonnegative", 0 <= Long.parseLong(major));
+                                assertTrue(String.format("Major value must be nonnegative (%s)", devnode), 0 <= Long.parseLong(major));
                                 if (parentMajor != null) {
-                                    assertEquals("Partition and its parent disk should have same major number", major,
-                                            parentMajor);
+                                    // For scsi disks only the first 15 Partitions have the
+                                    // same major as their disk
+                                    Matcher scsiMatcher = SCSI_DISK_PATTERN.matcher(devnode);
+                                    boolean scsiDiskDynamicMinor = scsiMatcher.matches() && Integer.parseInt(scsiMatcher.group(1)) > 15;
+                                    if(! scsiDiskDynamicMinor) {
+                                        assertEquals(
+                                                String.format("Partition and its parent disk should have same major number (%s)", devnode),
+                                                major, parentMajor
+                                        );
+                                    }
                                 }
-                                assertEquals("DevType mismatch", devType, device.getDevtype());
-                                assertEquals("Subsystem mismatch", "block", device.getSubsystem());
-                                assertEquals("Syspath mismatch", syspath, device.getSyspath());
-                                assertTrue("Syspath should end with name", syspath.endsWith(device.getSysname()));
+                                assertEquals(String.format("DevType mismatch (%s)", devnode), devType, device.getDevtype());
+                                assertEquals(String.format("Subsystem mismatch (%s)", devnode), "block", device.getSubsystem());
+                                assertEquals(String.format("Syspath mismatch (%s)", devnode), syspath, device.getSyspath());
+                                assertTrue(String.format("Syspath should end with name (%s)", devnode), syspath.endsWith(device.getSysname()));
                             }
                         } finally {
                             // Release the reference and iterate to the next device

lib/native/android-aarch64.jar

@@ -176,12 +176,12 @@ CPP=$(PREFIX)cpp
 LD=$(CC)
 RANLIB=$(PREFIX)ranlib
 STRIP=$(PREFIX)strip -x
-CDEFINES=-DFFI_STATIC_BUILD -DNO_JAWT -DNO_WEAK_GLOBALS -DFFI_MMAP_EXEC_WRIT=1 -DFFI_MMAP_EXEC_SELINUX=0
+CDEFINES=-DFFI_STATIC_BUILD -DNO_JAWT -DNO_WEAK_GLOBALS -DFFI_MMAP_EXEC_WRIT=1 -DFFI_MMAP_EXEC_SELINUX=0 -Dmalloc_getpagesize='getpagesize()'
 COPT+=-fpic -ffunction-sections -funwind-tables -fno-short-enums
 JAVA_INCLUDES=
 CINCLUDES+=-I"$(NDK_PLATFORM)/arch-$(AARCH)/usr/include" # -I/usr/include
 LIBS=-nostdlib -L"$(NDK_PLATFORM)/arch-$(AARCH)$(ALIBDIR)/" -lgcc -lc -ldl -lm
-LDFLAGS+=-Wl,-shared,-Bsymbolic -Wl,--build-id=sha1
+LDFLAGS+=-Wl,-shared,-Bsymbolic -Wl,--build-id=sha1 -Wl,-z,max-page-size=16384
 FFI_ENV=CPP="$(CPP)" CC="$(CC)" CFLAGS="$(COPT) $(CDEBUG) $(CINCLUDES)" CPPFLAGS="$(CDEFINES) $(CINCLUDES)" LIBS="$(LIBS)" RANLIB="$(RANLIB)"
 FFI_CONFIG=--enable-static --disable-shared --with-pic=yes --host=$(HOST)
 endif